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KVM: x86: Gracefully handle __vmalloc() failure during VM allocation
authorSean Christopherson <sean.j.christopherson@intel.com>
Mon, 27 Jan 2020 00:41:11 +0000 (16:41 -0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 16 Mar 2020 16:57:31 +0000 (17:57 +0100)
commitd18b2f43b9147c8005ae0844fb445d8cc6a87e31
treed2f6876a8d5c16880415e645db7188ac3ca877fa
parent168d918f2643d7d3f0240e768d40b4f8aba3540a
KVM: x86: Gracefully handle __vmalloc() failure during VM allocation

Check the result of __vmalloc() to avoid dereferencing a NULL pointer in
the event that allocation failres.

Fixes: d1e5b0e98ea27 ("kvm: Make VM ioctl do valloc for some archs")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm.c
arch/x86/kvm/vmx/vmx.c